2021 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2021
• Mileage: 21,518 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 21,518 miles, this 2021 BMW X3 M Sport has covered about 27,100 fewer miles than other 2021 BMW X3 cars. Priced at £28,750, it is advertised £8 below the AskCar estimate of £28,758. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 44 days ago. Its asking price has since fallen by £1,250. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Nottingham BMW, based in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £8 (under 1%) under the AskCar estimate of £28,758.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,600: the median of the 174 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 19 September 2026 at £30,000. Its asking price is now £28,750, £1,250 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 19 September 2026: £30,000
• 9 October 2026: £29,500
• 2 November 2026: £28,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 3 September 2027.

It has had 3 MOTs. The latest, on 19 August 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; nearside rear tyre slightly damaged/cracking or perishing outer shoulder; and 1 more.

Mileage at that test: 21,406 miles, which matches the advertised 21,518 miles.

Advertised mileage is about 27,100 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

97 other 2021 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,295 to £35,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 diesel SUV. Mileage: 20,000 miles. Price: £26,500, £2,250 less than this car. Dealer: Pristine Car Sales in Harrow. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-63629b3d5b6a
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 24,111 miles. Price: £27,992, £758 less than this car. Dealer: Bowker BMW Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-02f44b1894fb
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 18,707 miles. Price: £25,730, £3,020 less than this car. Dealer: Big Motoring World Norwich in Norwich. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-e436a69df13e

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 61,159 miles. Price: £21,400, £7,350 less than this car. Dealer: Sytner Select Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-fef0302b07b3